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Phenol hydroxylation over cubic/monoclinic mixed phase CuO nanoparticles prepared by chemical vapor deposition

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Abstract

CuO/SiO2 catalysts were synthesized by chemical vapor deposition, and the resulting supported CuO nanoparticles with loadings of 0.2–2 mmol/g are mixed phases of monoclinic and cubic CuO, and highly dispersed on the substrate SiO2 with an average particle size around 4 nm. An interaction between CuO and the support is confirmed by FT-IR and more surface acidity is generated due to a loading of CuO on the support. The prepared CuO/SiO2 catalysts exhibit a much higher dispersion degree of CuO than those by impregnation, and thus much better catalytic performances in phenol hydroxylation to catechol and hydroquinone.

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Acknowledgements

The authors gratefully acknowledge the financial supports from the Natural Science Foundation of Jiangsu Province (BK2012681) and Ph.D. Programs Foundation of Ministry of Education of China (20123250120008) and A Project Funded by the Priority Academic Program Development of Jiangsu Higher Education Institutions.

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Correspondence to Guojun Shi.

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Shi, G., Bao, Y., Chen, B. et al. Phenol hydroxylation over cubic/monoclinic mixed phase CuO nanoparticles prepared by chemical vapor deposition. Reac Kinet Mech Cat 122, 289–303 (2017). https://doi.org/10.1007/s11144-017-1229-4

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  • DOI: https://doi.org/10.1007/s11144-017-1229-4

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